@misc{ahrens_temporal_and_2008, author={Ahrens, L., Xie, Z., Siebert, U., Ebinghaus, R.}, title={Temporal and Spatial Trends of Polyfluorinated Compounds in Common Seals (Phoca vitulina) from the North and Baltic Sea}, year={2008}, howpublished = {conference poster: Beijing (VRC);}, note = {Ahrens, L.; Xie, Z.; Siebert, U.; Ebinghaus, R.: Temporal and Spatial Trends of Polyfluorinated Compounds in Common Seals (Phoca vitulina) from the North and Baltic Sea. In: 5th International Symposium on Persistent Toxic Substances. Beijing (VRC). 2008.}}